Desk



FIG. 1 is a perspective view of a desk showing my new design;

FIG. 2 is a side view, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The bottom elevational view of the design is not shown and forms no part of the claim design. 

The ornamental design for a desk, as shown and described. 